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ER Collets

An ER collet is a high-precision clamping device designed to securely hold cutting tools or workpieces in CNC machining centers, lathes, and milling machines. It belongs to the ER (Elastic Reamed) collet system, which is widely adopted for its versatility and accuracy.

Key Features of a Premium ER Collet

  • Conforms to DIN 6499 / ISO 15488 standards for exceptional concentricity and interchangeability.
  • Manufactured from high-grade spring steel, hardened and precision-ground for durability and accuracy.
  • Double-slitted design with a 1:16 taper provides strong gripping force and even clamping pressure.
  • Suitable for clamping round shank tools from 1/16" to 1.02" (1.5mm to 26mm) in diameter.
  • Available in sealed versions for coolant-through applications, ensuring efficient chip evacuation.

Advantages for Modern Machining Operations

  • Enables high-speed machining with minimal runout and vibration, resulting in superior surface finishes.
  • Quick tool changeovers and easy setup increase productivity and reduce downtime.
  • Suitable for a wide range of materials, including metals, plastics, and composites.
  • Versatile for milling, drilling, boring, reaming, and other metalworking operations.
  • Compatible with ER collet chucks and toolholding systems from leading manufacturers.

A premium ER collet from reputable brands like Centaur or Rego-Fix offers exceptional precision, repeatability, and longevity, making it an ideal choice for demanding industrial applications that prioritize accuracy, efficiency, and cost-effectiveness.